Chen Dechang, MD, PhD, born in 1963, is Professor of Critical Care Medicine, Doctoral Supervisor, and Director of the Department of Critical Care Medicine at Ruijin Hospital and Ruijin Hospital North, Shanghai Jiao Tong University School of Medicine. He is an internationally recognized expert in critical care medicine with significant academic influence in the field both in China and worldwide. Professor Chen currently serves as the Designated Chair-Elect of the Critical Care Medicine Branch of the Chinese Medical Association, Standing Committee Member of the Critical Care Medicine Physician Branch of the Chinese Medical Doctor Association, Member of the Critical Care Medicine Committee of the Chinese Society of Pathophysiology, Deputy Chair of the Microbial Toxins Committee of the Chinese Society for Microbiology, Chair-Elect of the Shanghai Society of Critical Care Medicine, and Deputy Chair of the Shanghai Society of Infection and Chemotherapy. He also serves as an Editorial Board Member for several academic journals, including Chinese Medical Yearbook of Internal Medicine, Chinese Journal of Traumatology, Chinese Journal of Traumatology (English Edition), Chinese Critical Care Medicine, Journal of Traumatic Surgery, Journal of Clinical Surgery, Chinese Journal of Critical Care Medicine (Electronic Edition), Chinese Journal of Microbial Chemotherapy, and Journal of Inflammation, Infection and Repair. With more than 30 years of experience in clinical practice, medical education, and scientific research, Professor Chen has accumulated extensive expertise in the diagnosis and management of complex and critical illnesses, including various types of shock, acute respiratory distress syndrome (ARDS), severe infections, acute intestinal failure, acute kidney injury (AKI), and multiple organ dysfunction syndrome (MODS). His research has particularly focused on gut microbiota, intestinal microecology, and sepsis, where he has made significant academic contributions. He treats approximately 200–300 critically ill patients annually. Professor Chen has extensive experience in postgraduate education and clinical training, supervising graduate students, visiting scholars, international students, clinical fellows, and undergraduate medical students. He has contributed to the development of undergraduate medical textbooks, standardized residency training materials commissioned by the Ministry of Education, and postgraduate textbooks on Critical Care Medicine. He served as Deputy Editor-in-Chief of the postgraduate textbook Emergency and Critical Care Medicine. As Deputy Chair of the Critical Care Medicine Branch of the Chinese Medical Association, Professor Chen has played an important role in coordinating and organizing national academic activities in critical care medicine. He has delivered more than 1,000 invited lectures and academic presentations nationwide. Professor Chen has served as the principal investigator for six projects funded by the National Natural Science Foundation of China (NSFC), including four completed projects and two ongoing projects. He has published more than 100 peer-reviewed papers as the first or corresponding author, including 16 SCI-indexed articles, with an H-index of 50. He has authored three monographs as Editor-in-Chief and served as Deputy Editor-in-Chief for eight additional academic books. Professor Chen has received multiple scientific awards, including the Second Prize of Shanghai Science and Technology Progress Award as the first contributor, the Second Prize of Military Science and Technology Progress Award as the first contributor, and the Second Prize of Shanghai Science and Technology Innovation Competition Award as the second contributor.